Sri Lanka: A storm over Nuwara Eliya Lake. Photography by Ernst Haeckel, early 20th century.

Ernst Heinrich Philipp August Haeckel (February 16, 1834 - August 9, 1919), also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree Haeckel was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including anthropogeny, ecology, phylum, phylogeny, and the kingdom Protista. promoted and popularized Charles Darwin's work in Germany.